Origins of user interface colors

The color palette used in many user interfaces quite resembles
the one used on several signs that we can found in our everyday life. In this palette, colors convey a special meaning to the final message and they can actually grouped into three main groups: information, warning and errors. In this post I'm going to focus on several examples of colors found in these three groups.


Information are usually conveyed by the blue color.


Errors can either be considered errors per se or prohibitions. They're conveyed by the red color.


Warnings are generally conveyed by the yellow color. They basically share a common ground of meaning between information and errors. They express
eventuality, not facts.

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